CVE-2026-55401CWE-476

CVE-2026-55401

Medium · published August 13, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
33.3
In the wild
Unconfirmed
What it is

CVE-2026-55401 is a null dereference vulnerability on the load-balancing

sub-system of Secure Access servers prior to 14.57. Attackers can send

an unauthenticated packet to a Secure Access server with load balancing

enabled, which results in the internal load balancer crashing. After a

successful attack, the Secure Access server is still able to accept

connections and is still able to issue a failover to connected clients. ‍ https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00402 · 33.3th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-08-13T20:18Z
Affected products (1)
ProductVersionsFixed in
absolute/secure_access< 14.5714.57
References (1)
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55401 · [email protected]
EPSS history
Timeline
  • 13 AUG 16:11Z
    CVE-2026-55401 is a null dereference vulnerability on the load-balancing sub-system of Secure Access servers prior to 14.57
    cvelistv5